Possibilities of upgrading downgrading Stirgeman stuff ?

i upgraded more.

1. try: 20-30
2. try: 30-30
3. try: 30-70
4. try: 70-40
5. try: 40-60
6. try: 60-40
__________
7. try: 40-30
8. try: 30-30

to be continued..